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This Thursday, Jan . 25, 2018, photo, provided by the U.S. Border Patrol shows a makeshift tunnel discovered during construction of a roadway near downtown El Paso, Texas, just north of the border with Mexico.

The U.S. Border Patrol said a road construction crew in West Texas discovered an abandoned makeshift tunnel just north of the border with Mexico.

Border Patrol Agent Oscar Cervantes says the tunnel was discovered Thursday during construction of a roadway near downtown El Paso. Cervantes said Friday that there's no indication the tunnel goes into Mexico.

A Border Patrol statement says agents working near a water treatment plant were notified by Texas Department of Transportation about a cave-in during construction of a roadway. Officials say the mishap led to the discovery of a tunnel originating north from the international border.

Border Patrol confined-space resource teams are examining the area to determine the extent of the tunnel, apparently reinforced with wooden beams.